1121001320203 has 8 divisors (see below), whose sum is σ = 1139452363040. Its totient is φ = 1102552663680.

The previous prime is 1121001320143. The next prime is 1121001320207. The reversal of 1121001320203 is 3020231001211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121001320203 - 2²¹ = 1120999223051 is a prime.

It is a super-2 number, since 2×1121001320203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121001320207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363283 + ... + 1540771.

It is an arithmetic number, because the mean of its divisors is an integer number (142431545380).

Almost surely, 2^{1121001320203} is an apocalyptic number.

1121001320203 is a deficient number, since it is larger than the sum of its proper divisors (18451042837).

1121001320203 is a wasteful number, since it uses less digits than its factorization.

1121001320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193157.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1121001320203 its reverse (3020231001211), we get a palindrome (4141232321414).

The spelling of 1121001320203 in words is "one trillion, one hundred twenty-one billion, one million, three hundred twenty thousand, two hundred three".